Federal-Aid Acceptance Sampling and Testing
Guide Schedule for Federal-Aid Sampling
Some materials do not fall under typical QC/QA testing for an Independent Assurance Sample (System based) quality system, such as when there is not a contractor QC part to the testing or when MoDOT performs the QC and QA. The QC/QA tests for these materials are covered in the table below.
Type of Construction or Material | Tests to be Made (if specified) | Sampled | Tested In | Minimum Number of Tests |
---|---|---|---|---|
Stabilized Permeable Base | Graduation SAA002UB | Before compactions | Field, district laboratory | One per 5,000 tons (5,000 megagrams) or fraction thereof per specified graduation source. None required if less than 1,000 tons (1,000 megagrams) of a specified graduation. |
Modified subgrade (sand-soil base, soil-cement base or soil-lime base) | Graduation SAA002WA | Before compactions | Field, district laboratory | One per 5,000 tons (5,000 megagrams) or fraction thereof per specified graduation source. None required if less than 1,000 tons (1,000 megagrams) of a specified graduation. |
Liquid Limit included with gradation | Before compactions | Field, district laboratory | One per project per specified graduation, per source. None required if less than 1,000 tons (1,000 megagrams). | |
PI included with gradation | Before compactions | Field, district laboratory | One per project per specified graduation, per source. None required if less than 1,000 tons (1,000 megagrams). |